Complete 6.6L Duramax LLY EGR cooler/valve delete kit by Sinister Mfg Co. Complete 6.6L Duramax LLY EGR cooler/valve delete kit by Sinister Mfg Company. Product Highlights Does not Require removal of turbo intake manifold or up-pipe CNC Machined Billet Aluminum and Stainless Steel Completely Replaces EGR System No other Parts Required Includes detailed Installation Instructions Fits on 2004.5-2005 models. *Requires the use of a tuner that will allow you to disable the egr system.* As of March 2013 we can no longer ship this product to residents of California Colorado or Arizona. Sorry for any inconvenience.
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